分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Pseudopimelodidae (Bumblebee catfishes, dwarf marbled catfishes)
擬長鬚鯰科 (Bumblebee catfishes, dwarf marbled catfishes)
Etymology: Microglanis: Greek, mikros = small + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶
South America: Upper Rio Uruguay drainage in Rio Grande do Sul and Santa Catarina states, southern Brazil.
南美洲: 在 Rio Grande do Sul 與聖保羅的 Rio 烏拉圭流域上游說, 巴西南部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 33009); 最大體重: 6.80 g (Ref. 79585)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 1; 背的軟條 (總數): 6; 臀鰭軟條: 9 - 12; 脊椎骨: 29 - 30. Large mouth gape (mouth width 21.5-27.1% SL) and squarish instead of conical head shape in large specimens. Shorter dorsal-fin spine (10.2-13.4% SL, vs. 13.4-21.0 in M. cottoides, 12.7-17.8 in M. parahybae, and 10.2-17.5 in M. cibelae) and larger predorsal length (40.4-45.7% SL, versus 35.1-42.0 in M. cottoides, 33.8-41.0 in M. parahybae, and 33.1-38.6 in M. cibelae) also distinguish this species.
大的嘴口裂 (嘴寬度 21.5-27.1% SL) 與呈方形的在大個體中取代錐形頭部形狀。 比較短的背鰭棘 (10.2-13.4% SL, vs.13.4-21.0 在 M. cottoides,12.7-17.8在 M. parahybae, 與 10.2-17.5 在 M. cibelae) 與比較大的前背長度 (40.4-45.7% SL, 對 35.1-42.0 在 M. cottoides,33.8-41.0 在 M. parahybae, 與 33.1-38.6 在 M. cibelae) 也區別這種。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在 Rio Grande do Sul 與聖保羅的 Rio 烏拉圭流域上游說, 巴西南部。
Malabarba, L.R. and J.K.F. Mahler Jr., 1998. Review of the genus Microglanis in the rio Uruguay and coastal drainages of southern Brazil (Ostariophysi: Pimelodidae). Ichthyol. Explor. Freshwat. 9(3):243-254. (Ref. 33009)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 16 November 2020
人類使用
更多資訊
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
